Finding the Fourth Proportional to 28,373,719.68, 42,566,564.32 and 9,202,987.84
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Solution
The fourth proportional to 28,373,719.68, 42,566,564.32 and 9,202,987.84 is: 13,806,422.92
Step by Step Solution
- Step 1: Write the proportion equation
28,373,719.68 : 42,566,564.32 = 9,202,987.84 : x - Step 2: Convert to fraction form
28,373,719.68/42,566,564.32 = 9,202,987.84/x - Step 3: Cross multiply
28,373,719.68x = 42,566,564.32 × 9,202,987.84 - Step 4: Simplify right side
28,373,719.68x = 391,739,573,827,537.88 - Step 5: Solve for x
x = 391,739,573,827,537.88/28,373,719.68 - Step 6: Final answer
x = 13,806,422.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.